US 12,015,906 B2
Sound generating device, display apparatus including the same, and automotive apparatus including the sound generating device
Sungtae Lee, Paju-si (KR); KwanHo Park, Paju-si (KR); YeongRak Choi, Paju-si (KR); and Kwangho Kim, Paju-si (KR)
Assigned to LG DISPLAY CO., LTD., Seoul (KR)
Filed by LG Display Co., Ltd., Seoul (KR)
Filed on Jun. 22, 2023, as Appl. No. 18/213,212.
Application 18/213,212 is a division of application No. 17/826,005, filed on May 26, 2022, granted, now 11,743,654.
Application 17/826,005 is a division of application No. 17/206,037, filed on Mar. 18, 2021, granted, now 11,375,316, issued on Jun. 28, 2022.
Application 17/206,037 is a division of application No. 16/708,982, filed on Dec. 10, 2019, granted, now 10,993,036, issued on Apr. 27, 2021.
Claims priority of application No. 10-2018-0174091 (KR), filed on Dec. 31, 2018.
Prior Publication US 2023/0336920 A1, Oct. 19, 2023
Int. Cl. H04R 9/06 (2006.01); H04R 1/02 (2006.01); H04R 7/26 (2006.01); H04R 9/02 (2006.01); H04R 9/04 (2006.01)
CPC H04R 9/06 (2013.01) [H04R 1/025 (2013.01); H04R 1/028 (2013.01); H04R 7/26 (2013.01); H04R 9/022 (2013.01); H04R 9/025 (2013.01); H04R 9/045 (2013.01); H04R 2400/11 (2013.01); H04R 2499/13 (2013.01); H04R 2499/15 (2013.01)] 31 Claims
OG exemplary drawing
 
1. A display apparatus, comprising:
a display panel configured to display an image and including a first region, a second region, and a third region;
a supporting member configured to support the display panel;
at least one sound generating device in at least one of the first region, the second region, and the third region, the at least one sound generating device configured to vibrate the display panel;
a first partition between the display panel and the supporting member, the first partition surrounding the first region, the second region, and the third region;
a second partition between the first region and the third region; and
a third partition between the second region and the third region,
wherein the at least one sound generating device includes:
a magnet and a center pole on a yoke;
a bobbin around the center pole;
a coil wound around the bobbin;
a frame outside the yoke;
a damper between the frame and the bobbin; and
a spacer in the bobbin or on the frame,
wherein the at least one sound generating device includes a two or more-device array sound generating module, and
wherein the spacer is in the bobbin of the two or more-device array sound generating module or is on the frame.